184
6.
Check the shift drum bearing (Figu
re
87
).
Make s
ur
e
it
operates smoothly with no signs
of
wear or damage. If damaged, replace as described
under Crank
case
Bearin
gs
Rem
owd/
l
lIS
w
fl
miol! in
Cha
pt
er Fo
ur
.
7.
Check the cam pin followers (Fig
ur
e 88) on
each shift fork. that rides
in
the shift
dr
um.
fo
r
wear
or
dam
age.
R
ep
l
ace
t
he
shift fork(s)
as
necessar
y.
8.
Roll lhe shift fork shaft on
II
flat surface such
as
II
piece of plate glass and check for any bends.
If the shaft is
be
nt. it must be replaced.
CAUTION
II is r
ecom
me
nd
ed Illar margil/
olly
worn
shift for
ks
be replaced. W
ort!
forks can cause the t
ra
ll
smission to slip
out
of
gear. leading
10
more
suious
anti
apens
il
'e
damage.
9.
In
spect
th
e s
hi
ft
fork-Io-gear clearance as
fo
ll
ows:
II
.
In
stall each s
hi
ft
fork i
nt
o its respecti
vc
gear.
Use a
fl
at feeler gauge and measure the
clearance bet
we
en the
fo
rk and gear as shown
in Fig
ur
e 89.
Co
mpare to the specifications
l
is
ted
in
Table
1.
b.
If the clearance is greater than specified in
Table
1.
measure the width
of
the gearshift
fork finge rs with a micrometer (
Figur
e 90).
Replace the shi
ft
fork(s) worn to t
he
service
limit listed
in
Table I or less.
CHAPTER SIX
c.
If the shift fork finger width
is
within
tolerance. measure the shift
fo
rk groovc width
in the gears
wi
th
a vernier calipcr. Compare
to the speci
fi
cations listed
in
Tab
le I. Replace
th
e gcar(s)
if
the groove
is
worn to t
he
se
rvice
lim
it
or more.